Veja as especificações para detalhes do produto.
RUEF185S
Product Overview
Category
The RUEF185S belongs to the category of resettable fuses, also known as polymeric positive temperature coefficient (PPTC) devices.
Use
It is used to protect electronic circuits from overcurrent and short-circuit conditions by providing a resettable means of interruption.
Characteristics
- Resettable: The fuse can return to its normal state after the fault condition is removed.
- Current Rating: Typically rated for low to moderate current levels.
- Voltage Rating: Designed to operate within specific voltage ranges.
- Temperature Sensitivity: The device's resistance increases with temperature, limiting current flow.
Package
The RUEF185S is available in surface mount packages, commonly in tape and reel format for automated assembly.
Essence
The essence of the RUEF185S lies in its ability to provide reliable overcurrent protection while offering the convenience of automatic reset.
Packaging/Quantity
Typically packaged in reels containing a specified quantity, such as 3000 units per reel.
Specifications
- Current Rating: 1.85A
- Voltage Rating: 60V
- Hold Current: 1.85A
- Trip Current: 3.7A
- Maximum Voltage: 30V
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The RUEF185S features a standard two-terminal SMD configuration, with no polarity considerations.
Functional Features
- Overcurrent Protection: Automatically limits excessive current flow during fault conditions.
- Resettable Operation: Returns to a low-resistance state once the fault is cleared.
- Compact Design: Suitable for space-constrained applications.
- Reliable Performance: Provides consistent protection over multiple fault cycles.
Advantages and Disadvantages
Advantages
- Resettable functionality reduces maintenance and replacement costs.
- Fast response time to overcurrent events.
- Compact size allows for integration into densely populated circuit boards.
Disadvantages
- Limited hold current compared to traditional fuses.
- May have a higher initial cost compared to non-resettable fuses.
Working Principles
The RUEF185S operates based on the PPTC effect, where the polymer material exhibits a sharp increase in resistance when subjected to overcurrent or high temperatures. This increase in resistance effectively limits the current flow, protecting the circuit. Once the fault is removed, the device cools down and returns to a low-resistance state.
Detailed Application Field Plans
The RUEF185S is commonly used in various electronic applications, including: - Consumer electronics - Automotive electronics - Telecommunications equipment - Industrial control systems - Power supplies
Detailed and Complete Alternative Models
- RUEF110: Lower current rating, suitable for more sensitive electronics.
- RUEF250: Higher current rating, ideal for applications with increased power demands.
- RUEF400: Designed for heavy-duty applications requiring robust overcurrent protection.
In conclusion, the RUEF185S offers a reliable and convenient solution for overcurrent protection in diverse electronic applications, making it a valuable component in modern circuit design.
Word Count: 511
Liste 10 perguntas e respostas comuns relacionadas à aplicação de RUEF185S em soluções técnicas
What is RUEF185S?
- RUEF185S is a resettable fuse designed to protect circuits from overcurrent and short circuit conditions.
What is the maximum voltage and current rating for RUEF185S?
- The maximum voltage rating for RUEF185S is typically 30V, and the maximum current rating is 1.85A.
How does RUEF185S differ from traditional fuses?
- Unlike traditional fuses, RUEF185S is resettable, meaning it does not need to be replaced after tripping due to overcurrent or short circuit events.
What are the typical applications for RUEF185S?
- RUEF185S is commonly used in various electronic devices and circuits such as power supplies, battery packs, and consumer electronics to provide overcurrent protection.
Can RUEF185S be used in automotive applications?
- Yes, RUEF185S can be used in automotive applications where overcurrent protection is required.
What is the operating temperature range for RUEF185S?
- The typical operating temperature range for RUEF185S is -40°C to 85°C.
Is RUEF185S suitable for use in high-temperature environments?
- RUEF185S is not recommended for use in high-temperature environments exceeding its specified operating range.
How does RUEF185S reset after tripping?
- RUEF185S resets automatically once the fault condition is removed, allowing the circuit to resume normal operation.
Can RUEF185S be used in conjunction with other protective devices?
- Yes, RUEF185S can be used in combination with other protective devices such as varistors and thermal fuses for enhanced circuit protection.
Where can I find detailed specifications and application notes for RUEF185S?
- Detailed specifications and application notes for RUEF185S can be found in the product datasheet provided by the manufacturer or distributor.